ramnit | 411c3b7ca6967937e19b1e90ba925e1d173a827f643d3115472448c57fa58fe1

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 05:46

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General

Target

JaffaCakes118_074753cc51585493f616662ab457e440.dll
Size

256KB
MD5

074753cc51585493f616662ab457e440
SHA1

39f612d353d42f6e3c1986993fdb968a8d771387
SHA256

411c3b7ca6967937e19b1e90ba925e1d173a827f643d3115472448c57fa58fe1
SHA512

319c6bb1d743930a39e75a2edb0640fc3ecabaadf81a9e490fc28e86e72437fa0f1895b5607b698c91bc6fb47c4beb143577500b0716c166f8bb743cc7d2bd99
SSDEEP

6144:5v7Da3EO2wWKmRt5Thafzw+IeIZIj3L/kU1IGBeWE+iHm:R7+3EolmRt98Lw+IyDnWo

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
1268	regsvr32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1268	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1268-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral2/memory/1268-10-0x0000000000400000-0x0000000000468000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	1268	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\ = "Poptimize Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CLSID\ = "{A3F23606-0729-42B2-9004-57D52E30546A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_074753cc51585493f616662ab457e440.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\ProgID\ = "POPC.Poptimize.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\ = "Poptimize Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_074753cc51585493f616662ab457e440.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ = "IPoptimize"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\ = "POPC 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ = "IPopEntries"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ = "IPopEntry"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\ = "{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\VersionIndependentProgID\ = "POPC.Poptimize"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize\CurVer\ = "POPC.Poptimize.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A3F23606-0729-42B2-9004-57D52E30546A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4DB72916-9A87-4CB2-8526-54CC1A53F3A4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E41B4064-66A7-43EB-BBDC-665B20424FA8}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\POPC.Poptimize.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DE158A5F-BA9A-46F2-94B1-6D6601F825EB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{20DD4BCD-32E4-4F31-B2BA-E67016DA3572}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 2632	3188	regsvr32.exe	83
PID 3188 wrote to memory of 2632	3188	regsvr32.exe	83
PID 3188 wrote to memory of 2632	3188	regsvr32.exe	83
PID 2632 wrote to memory of 1268	2632	regsvr32.exe	84
PID 2632 wrote to memory of 1268	2632	regsvr32.exe	84
PID 2632 wrote to memory of 1268	2632	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_074753cc51585493f616662ab457e440.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_074753cc51585493f616662ab457e440.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 10180
      4⤵
      Program crash
      PID:1984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1268 -ip 1268
1⤵
PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMA1FD.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
163KB

MD5
c8b1f715192e0e340d54b8fac428eb44

SHA1
7a77163f8d073ecd2b98cc832d2e70719850beb1

SHA256
60767adaadd87b2220096918365c352c24092807d4e5d42bffadaceeb6136923

SHA512
9438c4c284b1a125a64bf5953365a6e0b46dd59649d01447861cfdfebd65989a523bc31654101ff8a2d53ed4f2dbf90c79468f2141bacf738a8ed0c7a92da11f

Download Submit
memory/1268-5-0x00000000005F0000-0x0000000000658000-memory.dmp

Filesize
416KB

Download
memory/1268-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1268-10-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1268-12-0x00000000005F0000-0x0000000000658000-memory.dmp

Filesize
416KB

Download
memory/2632-0-0x0000000004600000-0x0000000004641000-memory.dmp

Filesize
260KB

Download